<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style>
body img:nth-child(2){
    position: fixed;
    top: 0px;
  left: 0px;
}
body img:nth-child(3){
    position: fixed;
    top: 0px;
    right: 0px;
}
body img:nth-child(4){
    position: fixed;
   bottom: 240px;
    right: 0px;
}
body img:nth-child(5){
    position: fixed;
    bottom: 0px;
    right: 0px;
}
</style>
<body>
<div style="text-align: center">
  <img src="img/1.bmp"alt="">
</div>
<img src="img/2.bmp"alt="">
<img src="img/3.bmp"alt="">
<img src="img/4.bmp"alt="">
<img src="img/5.bmp"alt="">
</body>
</html>